Home / 76,186.82-105,155.30-50,694.24

Finding the Fourth Proportional to 76,186.82, 105,155.30 and 50,694.24

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Solution

The fourth proportional to 76,186.82, 105,155.30 and 50,694.24 is: 69,969.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,186.82 : 105,155.30 = 50,694.24 : x
  2. Step 2: Convert to fraction form
    76,186.82/105,155.30 = 50,694.24/x
  3. Step 3: Cross multiply
    76,186.82x = 105,155.30 × 50,694.24
  4. Step 4: Simplify right side
    76,186.82x = 5,330,767,762.00
  5. Step 5: Solve for x
    x = 5,330,767,762.00/76,186.82
  6. Step 6: Final answer
    x = 69,969.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.